prompt_igolden_setup

autoload -U zgitinit

zgitinit

prompt_grb_help () {
  cat <<'EOF'

  prompt grb

EOF
}

# get the name of the branch we are on
function git_prompt_info() {
  if [[ "$(command git config --get oh-my-zsh.hide-status 2>/dev/null)" != "1" ]]; then
    ref=$(command git symbolic-ref HEAD 2> /dev/null) || \
    ref=$(command git rev-parse --short HEAD 2> /dev/null) || return 0
    echo "$ZSH_THEME_GIT_PROMPT_PREFIX${ref#refs/heads/}$(parse_git_dirty)$ZSH_THEME_GIT_PROMPT_SUFFIX"
  fi
}


# Checks if working tree is dirty
parse_git_dirty() {
  local STATUS=''
  local FLAGS
  FLAGS=('--porcelain')
  if [[ "$(command git config --get oh-my-zsh.hide-dirty)" != "1" ]]; then
    if [[ $POST_1_7_2_GIT -gt 0 ]]; then
      FLAGS+='--ignore-submodules=dirty'
    fi
    if [[ "$DISABLE_UNTRACKED_FILES_DIRTY" == "true" ]]; then
      FLAGS+='--untracked-files=no'
    fi
    STATUS=$(command git status ${FLAGS} 2> /dev/null | tail -n1)
  fi
  if [[ -n $STATUS ]]; then
    echo "$ZSH_THEME_GIT_PROMPT_DIRTY"
  else
    echo "$ZSH_THEME_GIT_PROMPT_CLEAN"
  fi
}

# get the difference between the local and remote branches
git_remote_status() {
    remote=${$(command git rev-parse --verify ${hook_com[branch]}@{upstream} --symbolic-full-name 2>/dev/null)/refs\/remotes\/}
    if [[ -n ${remote} ]] ; then
        ahead=$(command git rev-list ${hook_com[branch]}@{upstream}..HEAD 2>/dev/null | wc -l)
        behind=$(command git rev-list HEAD..${hook_com[branch]}@{upstream} 2>/dev/null | wc -l)

        if [ $ahead -eq 0 ] && [ $behind -gt 0 ]
        then
            echo "$ZSH_THEME_GIT_PROMPT_BEHIND_REMOTE"
        elif [ $ahead -gt 0 ] && [ $behind -eq 0 ]
        then
            echo "$ZSH_THEME_GIT_PROMPT_AHEAD_REMOTE"
        elif [ $ahead -gt 0 ] && [ $behind -gt 0 ]
        then
            echo "$ZSH_THEME_GIT_PROMPT_DIVERGED_REMOTE"
        fi
    fi
}

# Checks if there are commits ahead from remote
function git_prompt_ahead() {
  if $(echo "$(command git log @{upstream}..HEAD 2> /dev/null)" | grep '^commit' &> /dev/null); then
    echo "$ZSH_THEME_GIT_PROMPT_AHEAD"
  fi
}

# Gets the number of commits ahead from remote
function git_commits_ahead() {
  if $(echo "$(command git log @{upstream}..HEAD 2> /dev/null)" | grep '^commit' &> /dev/null); then
    COMMITS=$(command git log @{upstream}..HEAD | grep '^commit' | wc -l | tr -d ' ')
    echo "$ZSH_THEME_GIT_COMMITS_AHEAD_PREFIX$COMMITS$ZSH_THEME_GIT_COMMITS_AHEAD_SUFFIX"
  fi
}

# Formats prompt string for current git commit short SHA
function git_prompt_short_sha() {
  SHA=$(command git rev-parse --short HEAD 2> /dev/null) && echo "$ZSH_THEME_GIT_PROMPT_SHA_BEFORE$SHA$ZSH_THEME_GIT_PROMPT_SHA_AFTER"
}

# Formats prompt string for current git commit long SHA
function git_prompt_long_sha() {
  SHA=$(command git rev-parse HEAD 2> /dev/null) && echo "$ZSH_THEME_GIT_PROMPT_SHA_BEFORE$SHA$ZSH_THEME_GIT_PROMPT_SHA_AFTER"
}

# Get the status of the working tree
git_prompt_status() {
  INDEX=$(command git status --porcelain -b 2> /dev/null)
  STATUS=""
  if $(echo "$INDEX" | command grep -E '^\?\? ' &> /dev/null); then
    STATUS="$ZSH_THEME_GIT_PROMPT_UNTRACKED$STATUS"
  fi
  if $(echo "$INDEX" | grep '^A  ' &> /dev/null); then
    STATUS="$ZSH_THEME_GIT_PROMPT_ADDED$STATUS"
  elif $(echo "$INDEX" | grep '^M  ' &> /dev/null); then
    STATUS="$ZSH_THEME_GIT_PROMPT_ADDED$STATUS"
  fi
  if $(echo "$INDEX" | grep '^ M ' &> /dev/null); then
    STATUS="$ZSH_THEME_GIT_PROMPT_MODIFIED$STATUS"
  elif $(echo "$INDEX" | grep '^AM ' &> /dev/null); then
    STATUS="$ZSH_THEME_GIT_PROMPT_MODIFIED$STATUS"
  elif $(echo "$INDEX" | grep '^ T ' &> /dev/null); then
    STATUS="$ZSH_THEME_GIT_PROMPT_MODIFIED$STATUS"
  fi
  if $(echo "$INDEX" | grep '^R  ' &> /dev/null); then
    STATUS="$ZSH_THEME_GIT_PROMPT_RENAMED$STATUS"
  fi
  if $(echo "$INDEX" | grep '^ D ' &> /dev/null); then
    STATUS="$ZSH_THEME_GIT_PROMPT_DELETED$STATUS"
  elif $(echo "$INDEX" | grep '^D  ' &> /dev/null); then
    STATUS="$ZSH_THEME_GIT_PROMPT_DELETED$STATUS"
  elif $(echo "$INDEX" | grep '^AD ' &> /dev/null); then
    STATUS="$ZSH_THEME_GIT_PROMPT_DELETED$STATUS"
  fi
  if $(command git rev-parse --verify refs/stash >/dev/null 2>&1); then
    STATUS="$ZSH_THEME_GIT_PROMPT_STASHED$STATUS"
  fi
  if $(echo "$INDEX" | grep '^UU ' &> /dev/null); then
    STATUS="$ZSH_THEME_GIT_PROMPT_UNMERGED$STATUS"
  fi
  if $(echo "$INDEX" | grep '^## .*ahead' &> /dev/null); then
    STATUS="$ZSH_THEME_GIT_PROMPT_AHEAD$STATUS"
  fi
  if $(echo "$INDEX" | grep '^## .*behind' &> /dev/null); then
    STATUS="$ZSH_THEME_GIT_PROMPT_BEHIND$STATUS"
  fi
  if $(echo "$INDEX" | grep '^## .*diverged' &> /dev/null); then
    STATUS="$ZSH_THEME_GIT_PROMPT_DIVERGED$STATUS"
  fi
  echo $STATUS
}

#compare the provided version of git to the version installed and on path
#prints 1 if input version <= installed version
#prints -1 otherwise
function git_compare_version() {
  local INPUT_GIT_VERSION=$1;
  local INSTALLED_GIT_VERSION
  INPUT_GIT_VERSION=(${(s/./)INPUT_GIT_VERSION});
  INSTALLED_GIT_VERSION=($(command git --version 2>/dev/null));
  INSTALLED_GIT_VERSION=(${(s/./)INSTALLED_GIT_VERSION[3]});

  for i in {1..3}; do
    if [[ $INSTALLED_GIT_VERSION[$i] -gt $INPUT_GIT_VERSION[$i] ]]; then
      echo 1
      return 0
    fi
    if [[ $INSTALLED_GIT_VERSION[$i] -lt $INPUT_GIT_VERSION[$i] ]]; then
      echo -1
      return 0
    fi
  done
  echo 0
}

#this is unlikely to change so make it all statically assigned
POST_1_7_2_GIT=$(git_compare_version "1.7.2")
#clean up the namespace slightly by removing the checker function
unset -f git_compare_version


# agnoster
CURRENT_BG='NONE'
SEGMENT_SEPARATOR=''

# Begin a segment
# Takes two arguments, background and foreground. Both can be omitted,
# rendering default background/foreground.
prompt_segment() {
  local bg fg
  [[ -n $1 ]] && bg="%K{$1}" || bg="%k"
  [[ -n $2 ]] && fg="%F{$2}" || fg="%f"
  if [[ $CURRENT_BG != 'NONE' && $1 != $CURRENT_BG ]]; then
    echo -n " %{$bg%F{$CURRENT_BG}%}$SEGMENT_SEPARATOR%{$fg%} "
  else
    echo -n "%{$bg%}%{$fg%} "
  fi
  CURRENT_BG=$1
  [[ -n $3 ]] && echo -n $3
}

#
# End the prompt, closing any open segments
prompt_end() {
  if [[ -n $CURRENT_BG ]]; then
    echo -n " %{%k%F{$CURRENT_BG}%}$SEGMENT_SEPARATOR"
  else
    echo -n "%{%k%}"
  fi
  echo -n "%{%f%}"
  CURRENT_BG=''
}

# Git: branch/detached head, dirty status
prompt_git() {
  local ref dirty mode repo_path
  repo_path=$(git rev-parse --git-dir 2>/dev/null)

  if $(git rev-parse --is-inside-work-tree >/dev/null 2>&1); then
    dirty=$(parse_git_dirty)
    ref=$(git symbolic-ref HEAD 2> /dev/null) || ref="➦ $(git show-ref --head -s --abbrev |head -n1 2> /dev/null)"
    if [[ -n $dirty ]]; then
      prompt_segment yellow black
    else
      prompt_segment green black
    fi

    if [[ -e "${repo_path}/BISECT_LOG" ]]; then
      mode=" <B>"
    elif [[ -e "${repo_path}/MERGE_HEAD" ]]; then
      mode=" >M<"
    elif [[ -e "${repo_path}/rebase" || -e "${repo_path}/rebase-apply" || -e "${repo_path}/rebase-merge" || -e "${repo_path}/../.dotest" ]]; then
      mode=" >R>"
    fi

    setopt promptsubst
    autoload -Uz vcs_info

    zstyle ':vcs_info:*' enable git
    zstyle ':vcs_info:*' get-revision true
    zstyle ':vcs_info:*' check-for-changes true
    zstyle ':vcs_info:*' stagedstr '✚'
    zstyle ':vcs_info:git:*' unstagedstr '●'
    zstyle ':vcs_info:*' formats ' %u%c'
    zstyle ':vcs_info:*' actionformats ' %u%c'
    vcs_info
    echo -n "${ref/refs\/heads\// }${vcs_info_msg_0_%% }${mode}"
  fi
}

prompt_hg() {
  local rev status
  if $(hg id >/dev/null 2>&1); then
    if $(hg prompt >/dev/null 2>&1); then
      if [[ $(hg prompt "{status|unknown}") = "?" ]]; then
        # if files are not added
        prompt_segment red white
        st='±'
      elif [[ -n $(hg prompt "{status|modified}") ]]; then
        # if any modification
        prompt_segment yellow black
        st='±'
      else
        # if working copy is clean
        prompt_segment green black
      fi
      echo -n $(hg prompt "☿ {rev}@{branch}") $st
    else
      st=""
      rev=$(hg id -n 2>/dev/null | sed 's/[^-0-9]//g')
      branch=$(hg id -b 2>/dev/null)
      if `hg st | grep -q "^\?"`; then
        prompt_segment red black
        st='±'
      elif `hg st | grep -q "^(M|A)"`; then
        prompt_segment yellow black
        st='±'
      else
        prompt_segment green black
      fi
      echo -n "☿ $rev@$branch" $st
    fi
  fi
}

# Dir: current working directory
prompt_dir() {
  prompt_segment yellow black '%~'
}

# Virtualenv: current working virtualenv
prompt_virtualenv() {
  local virtualenv_path="$VIRTUAL_ENV"
  if [[ -n $virtualenv_path && -n $VIRTUAL_ENV_DISABLE_PROMPT ]]; then
    prompt_segment blue black "(`basename $virtualenv_path`)"
  fi
}

# Status:
# - was there an error
# - am I root
# - are there background jobs?
prompt_status() {
  local symbols
  symbols=()
  [[ $RETVAL -ne 0 ]] && symbols+="%{%F{red}%}✘"
  [[ $UID -eq 0 ]] && symbols+="%{%F{yellow}%}⚡"
  [[ $(jobs -l | wc -l) -gt 0 ]] && symbols+="%{%F{cyan}%}⚙"

  [[ -n "$symbols" ]] && prompt_segment black default "$symbols"
}

## Main prompt
build_prompt() {
  RETVAL=$?
  prompt_status
  prompt_virtualenv
  prompt_dir
  prompt_git
  prompt_hg
  prompt_end
}

PROMPT='%{%f%b%k%}$(build_prompt) '

# vim:set ft=zsh:
#